Home / 71,579.00-98,779.19-39,747.89

Finding the Fourth Proportional to 71,579.00, 98,779.19 and 39,747.89

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Solution

The fourth proportional to 71,579.00, 98,779.19 and 39,747.89 is: 54,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,579.00 : 98,779.19 = 39,747.89 : x
  2. Step 2: Convert to fraction form
    71,579.00/98,779.19 = 39,747.89/x
  3. Step 3: Cross multiply
    71,579.00x = 98,779.19 × 39,747.89
  4. Step 4: Simplify right side
    71,579.00x = 3,926,264,426.62
  5. Step 5: Solve for x
    x = 3,926,264,426.62/71,579.00
  6. Step 6: Final answer
    x = 54,852.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.